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Dr. Katharina Hees

Mathematische Statistik und naturwissenschaftliche Anwendungen



Office Hours


Research / Areas of Work

Short Vita


  • 01/2011 - 11/2014: Graduation to Dr. rer. nat. in the Stochastic Group at the Department of Mathematics, University of Siegen, Supervisor: Prof. Dr. Hans-Peter Scheffler
  • 10/2008 - 11/2010: Master in Mathematics, University of Siegen
  • 10/2005 - 08/2008: Bachelor in Mathematics, University of Siegen

Professional Experience

  • 01/2018 - 02/2021: Postdoctoral Research Fellow, Chair for Statistics in Biosciences, Faculty of Statistics, TU Dortmund University
  • 04/2015 - 12/2017: Research Assistant, Institute of Medical Biometry and Informatics, University of Heidelberg, since 01/2017 Leader of the AG "Statistical Modeling"
  • 10/2014 - 03/2015: Postdoctoral Research Fellow in the Stochastic Group of Prof. Dr. Hans-Peter Scheffler, Department of Mathematics, University of Siegen
  • 12/2010 - 09/2014: Research Assistant in the Junior Research Group "Fractal Geometry and Stochastic" of Dr. Uta Freiberg, Department of Mathematics, University of Siegen


  • Stochastic Processes in Continuous Time (WS 2020/21)
  • Stochastic Processes in Continuous Time (SS 2019)
  • Data Analysis for Spatial Planners (SS 2019)
  • Statistics I: Descriptive Statistics (WS 2018/19)
  • Data Analysis for Spatial Planners (SS 2018)


  • Hees, K., Nayak, S., Straka, P. (2020). Statistical inference for inter-arrival times of extreme events in bursty time series. Computational Statistics & Data Analysis: 107096.
  • Sprave, T. Rühle., A, Hees, K. et al. (2020). Radiotherapeutic management of cervical lymph node metastases from an unknown primary site – experiences from a large cohort treated with modern radiation techniques. Radiat Oncol 15, 80. doi:10.1186/s13014-020-01529-z
  • Gomes, B., Hees, K., Hund, H., Mereles D., Meder, B., Katus, H., Bekeredjian. R. (2019). Prevalence and relevance of impaired left ventricular function in chronic moderate regurgitation of native aortic valves. Acta cardiologica. doi:10.1080/00015385.2019.1639964
  • Sprave, T. Verma, V., Förster, R. et al. (2018). Local response and pathologic fractures following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy for spinal metastases - a randomized controlled trial. BMC Cancer 18, 859. doi:10.1186/s12885-018-4777-8
  • Sprave, T. Verma, V., Förster, R. et al. (2018). Bone density and pain response following intensity-modulated radiotherapy versus three-dimensional conformal radiotherapy for vertebral metastases - secondary results of a randomized trial. Radiat Oncol 13, 212. doi:10.1186/s13014-018-1161-4
  • Hees, K., Scheffler, H. P. (2018). Coupled continuous time random maxima. Extremes, 21(2), 235 - 259.
  • Hees, K., Scheffler, H. P. (2018). On joint sum/max stability and sum/max domains of traction. Probability and Mathematical Statistics, 38(1), 157 - 189
  • Kamradt, M., Kaufmann-Kolle, P., Andres, E., Brand, T., Klingenberg, A., Glassen, K., Poß-Doering, R., Uhlmann, L., Hees, K., Weber, D. et al. (2018). Sustainable reduction of antibioticinduced antimicrobial resistance (arena) in german ambulatory care: study protocol of a cluster randomised trial. Implementation Science, 13(1), 13 - 23.
  • Mayer, J. S., Hees, K., Medda, J., Grimm, O., Asherson, P., Bellina, M., Colla, M., Ibáñez, P., Koch, E., Martinez-Nicolas, A. et al. (2018). Bright light therapy versus physical exercise to prevent co-morbid depression and obesity in adolescents and young adults with attentiondeficit/hyperactivity disorder: study protocol for a randomized controlled trial. Trials, 19(1), 140 - 159.
  • Spraye, T., Hees, K., Bruckner, T., Foerster, R., Bostel, T., Schlampp, I., El Shafie, R., Nicolay, N. H., Debus, J., Rief, H. (2018). The influence of fractionated radiotherapy on the stability of spinal bone metastases: a retrospective analysis from 1047 cases. Radiation Oncology, 13(1).
  • Spraye, T., Verma, V., Förster, R., Schlampp, I., Hees, K., Bruckner, T., Bostel, T., El Shafie, R., Nicolay, J., Debus., J. et al. (2018). Quality of life and radiation-induced late toxicity following intensity-modulated versus three-dimensional conformal radiotherapy for patients with spinal bone metastases: Results of a randomized trial. Anticancer research, 38(8). 4953 - 4960.
  • Spraye, T., Verma, V., Sterzing, F., Bruckner, T., Hees, K., Land, B., Jäkel, O., Herfarth, K., Debus, J., Uhl, M. (2018). Cost-effectiveness of carbon ion radiation therapy for skull base chordoma utilizing long-term (10-year) outcome data. Anticancer research, 38(8), 4853 - 4858.
  • Foerster, R., Hees, K., Bruckner, T., Bostel, T., Schlampp, I., Spraye, T., Nicolay, N. H., Debus, J., Rief, H. (2017). Radiology and Oncology, 52(2), 189 - 194.
  • Hees, K., Kieser, M. (2017). Blinded sample size recalculation in clinical trials incorporating historical data. Contemporary clinical trials, 63, 2 - 7.
  • Mundiyanapurath, S., Hees, S., Ahmed, N., Wahlgren, N., Uhlmann, L., Kieser, M., Ringleb, P. A., Hacke, W., Nagel, S. (2017). Predictors of symptomatic intracranial haemorrhage in off-label thrombolysis: an analysis of the safe implementation of treatments in stroke registry. European Journal of Neurology, 25(2).
  • Trautmann, A., Schnaidt, S., Lipska-Zietkiewicz, B. S., Bodria, M., Ozatltin, F., Emma, F., Anarat, A., Melk, A., Azocar, M., Oh, J. et al. (2017). Long-term outcome of steroid-resistant nephrotic syndrome in children. Journal of the American Society of Nephrology, 28(10).
  • Kesch, C., Radtke, J. P., Distler, F., Boxler, S., Klein, T., Hüttenbrink, C., Hees, K., Roth, W., Roethke, M., Schlemmer, H. P. et al. (2016). Wertigkeit der multiparametrischen MRT und der MRT-TRUS-Fusionsbiopsie bei primär negativ biopsierten Patienten. Der Urologe, 55(8), 1071–1077.
  • Hees, K. (2015). Gemeinsame Konvergenz von Summe und Maximum und das Grenzwertverhalten von gekoppelten continuous time random maxima. Verlag Dr. Hut.